Question 1

Which of the following combinations of sources and destinations would fill no more than 25% of cells with quantities to be shipped for the optimal solution?

Accepted Answer

A)   1 to 1
B)   1 to 4
C)   4 to 1
D)   8 to 2
E)   5 to 16F) A) and E)
G) B) and C)

Question 2

The initial solution to a transportation problem can be generated several ways, so long as

Accepted Answer

A)   it minimizes cost
B)   it ignores cost
C)   all supply and demand conditions are satisfied
D)   degeneracy does not exist
E)   all cells are filledF) A) and B)
G) None of the above

Question 3

The Northwest-Corner rule's biggest flaw is that

Accepted Answer

A)   it ignores costs
B)   it cannot generate feasible solutions
C)   it never generates ideal solutions
D)   it ignores shipping time
E)   There are no major flaws.F) B) and D)
G) A) and B)

Question 4

The purpose of the transportation approach for location analysis is to minimize

Accepted Answer

A)   total costs
B)   total variable costs
C)   total fixed costs
D)   total shipping costs
E)   the number of shipmentsF) B) and E)
G) C) and D)

Question 5

A transportation problem has a feasible solution when

Accepted Answer

A)   all of the improvement indices are greater than or equal to zero
B)   all demand and supply constraints are satisfied
C)   the number of filled cells is one less than the number of rows plus the number of columns
D)   all the squares are used
E)   the solution yields the lowest possible costF) B) and D)
G) B) and C)

Question 6

The transportation method is a special case of the family of problems known as

Accepted Answer

A)   regression problems
B)   decision tree problems
C)   linear programming problems
D)   simulation problems
E)   statistical problemsF) A) and C)
G) A) and E)

Question 7

For the problem data set below, what is the northwest corner allocation to the cell Source 3-Destination 3?

Accepted Answer

A)   0
B)   15
C)   20
D)   35
E)   45F) B) and C)
G) B) and E)

Question 8

The three information needs of a transportation problem are the origin points and the capacity at each, the destination points and the demand at each, and __________.

Accepted Answer

the cost of shipping...

Question 9

For the data below, construct an initial feasible solution using the northwest-corner rule.

Accepted Answer

Step 1: The smaller value at the interse...

Question 10

An improvement index indicates

Accepted Answer

A)   whether a method other than the stepping-stone should be used
B)   whether a method other than the northwest-corner rule should be used
C)   how much total cost would increase or decrease if a single unit was reallocated to that cell
D)   whether the transportation cost in the upper left-hand corner of a cell is optimal
E)   how much total cost would increase or decrease if the largest possible quantity were reallocated to that cellF) C) and E)
G) B) and E)

Question 11

State, in order, the three steps in making an initial allocation with the northwest-corner rule.

Accepted Answer

The three steps in making an initial all...

Question 12

If demand exceeds supply in a transportation problem, the problem must be balanced by adding a dummy source with additional supply.

Accepted Answer

A) True 
 B)False

Question 13

Which of the following is true for degenerate problems?

Accepted Answer

A)   They do not contain a feasible solution.
B)   They cannot contain an optimal solution.
C)   Supply is greater than demand.
D)   Demand is greater than supply.
E)   None of the aboveF) A) and D)
G) A) and C)

Question 14

Degeneracy occurs when the number of occupied squares is less than the number of rows plus the number of columns minus one.

Accepted Answer

A) True 
 B)False

Question 15

What is transportation modeling?

Accepted Answer

Transportation modeling finds ...

Question 16

The number of routes filled by a solution to a transportation problem is no larger than __________.

Accepted Answer

the sum of...

Question 17

A large transportation problem has 220 origins and 1360 destinations. The optimal solution of this problem will fill no more than about __________ of cells with quantities to be shipped.

Accepted Answer

A)   one-half of one percent
B)   five percent
C)   ten percent
D)   twenty-five
E)   All cells will be occupied.F) C) and D)
G) B) and C)

Question 18

For the transportation problem below, construct an initial feasible solution using the intuitive method.

Accepted Answer

The lowest cost in the matrix is 7; assi...

Question 19

When does degeneracy occur in a transportation model?

Accepted Answer

Degeneracy occurs when the num...

Question 20

The main difference between the intuitive lowest-cost method and the Northwest-corner rule is that

Accepted Answer

A)   the intuitive lowest-cost method always generates a better solution
B)   the Northwest-corner rule is faster
C)   the Northwest-corner rule ignores cost
D)   only the intuitive lowest-cost method generates an optimal solution
E)   None of the above are accurate.F) All of the above
G) C) and D)

Exam 20: The Simplex Method of Linear Programming

Which of the following combinations of sources and destinations would fill no more than 25% of cells with quantities to be shipped for the optimal solution?

Correct AnswerverifiedShow Answer

The Northwest-Corner rule's biggest flaw is that

Correct AnswerverifiedShow Answer

The three information needs of a transportation problem are the origin points and the capacity at each, the destination points and the demand at each, and __________.

Correct Answerverifiedthe cost of shipping...View AnswerShow Answer

State, in order, the three steps in making an initial allocation with the northwest-corner rule.

Correct AnswerverifiedThe three steps in making an initial all...View AnswerShow Answer

A transportation problem has a feasible solution when

Correct AnswerverifiedShow Answer

A large transportation problem has 220 origins and 1360 destinations. The optimal solution of this problem will fill no more than about __________ of cells with quantities to be shipped.

Correct AnswerverifiedShow Answer

The main difference between the intuitive lowest-cost method and the Northwest-corner rule is that

Correct AnswerverifiedShow Answer

The transportation method is a special case of the family of problems known as

Correct AnswerverifiedShow Answer

For the problem data set below, what is the northwest corner allocation to the cell Source 3-Destination 3?

Correct AnswerverifiedShow Answer

The purpose of the transportation approach for location analysis is to minimize

Correct AnswerverifiedShow Answer

The initial solution to a transportation problem can be generated several ways, so long as

Correct AnswerverifiedShow Answer

Degeneracy occurs when the number of occupied squares is less than the number of rows plus the number of columns minus one.

Correct AnswerverifiedShow Answer

What is transportation modeling?

Correct AnswerverifiedTransportation modeling finds ...View AnswerShow Answer

When does degeneracy occur in a transportation model?

Correct AnswerverifiedDegeneracy occurs when the num...View AnswerShow Answer

The number of routes filled by a solution to a transportation problem is no larger than __________.

Correct Answerverifiedthe sum of...View AnswerShow Answer

Which of the following is true for degenerate problems?

Correct AnswerverifiedShow Answer

An improvement index indicates

Correct AnswerverifiedShow Answer

For the transportation problem below, construct an initial feasible solution using the intuitive method.

Correct AnswerverifiedThe lowest cost in the matrix is 7; assi...View AnswerShow Answer

For the data below, construct an initial feasible solution using the northwest-corner rule.

Correct AnswerverifiedStep 1: The smaller value at the interse...View AnswerShow Answer

If demand exceeds supply in a transportation problem, the problem must be balanced by adding a dummy source with additional supply.

Correct AnswerverifiedShow Answer

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the cost of shipping...
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The three steps in making an initial all...
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Transportation modeling finds ...
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Degeneracy occurs when the num...
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the sum of...
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Correct Answer
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Correct Answer
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The lowest cost in the matrix is 7; assi...
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Step 1: The smaller value at the interse...
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Correct Answer
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